Humans

  1. Health & Medicine

    Antioxidants + heart drugs = bad medicine?

    Taking dietary antioxidant supplements along with certain cholesterol-regulating drugs may diminish the effectiveness of those drugs in boosting the so-called good cholesterol.

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  2. Health & Medicine

    Insect-saliva vaccine thwarts parasite

    Mice inoculated with a component of sand fly saliva develop immunity to Leishmania, a protozoan that infects hundreds of thousands of people in the tropics each year.

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  3. Health & Medicine

    Chemotherapy leads to bone loss

    In women with early-stage breast cancer, malfunctioning ovaries and significant bone loss can occur within 6 months of chemotherapy treatment.

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  4. Health & Medicine

    Inflammation linked to diabetes

    Women who go on to develop diabetes seem to have signs of widespread, low-level inflammation years before they have symptoms of the disease.

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  5. Health & Medicine

    Ancient Estrogen

    A jawless fish ancestor may have revealed the most ancient of hormones and how current hormones evolved from it.

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  6. Health & Medicine

    Drink Those Antioxidants

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  7. Health & Medicine

    Surgery for epilepsy outshines medication

    People with severe epilepsy who undergo brain surgery have markedly fewer disabling seizures during the following year than do those relying on medication.

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  8. Health & Medicine

    Busting the Gut Busters

    Scientists are uncovering a cache of specialized weaponry used by bacteria that can spear holes in the intestine, perforate it, force it to change shape, and then spew toxins that attack other organs.

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  9. Health & Medicine

    Synthetic protein may yield malaria vaccine

    A molecule patterned after part of the parasite that causes most severe malaria induces a strong immune response in people.

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  10. Health & Medicine

    Fighting Herself

    Autoimmune diseases are more common in women than in men, and researchers are beginning to tease out the cellular mechanisms that may be responsible for this phenomenon.

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  11. Health & Medicine

    Herpes virus homes in on cancer target

    Herpes simplex virus 1 has an affinity for cells with a mutation that marks many tumors, indicating how the virus may be refined as a cancer therapy and that certain new drugs might attack herpes itself.

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  12. Health & Medicine

    Ebola May Enter Cell via Folate Gate

    A cell-surface molecule that normally binds to folate might be targeted by Ebola and Marburg viruses as their entry point to people's cells.

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